Test method for network relay apparatus and network relay...

Details Test method for network relay apparatus and network relay... Test method for network relay apparatus and network relay...

2006-12-14

2010-06-01

Ngo, Ricky (Department: 2464)

Multiplex communications

Diagnostic testing

Fault detection

C370S246000, C370S249000, C370S252000, C370S395310, C370S474000

Reexamination Certificate

active

07729265

ABSTRACT:
A transfer path in a router is set in a loop shape by a test processing unit. In a NP chip (network processor), decrement of a TTL value is inhibited by a test processing unit, and a routing table is set such that data are transmitted in order along the transfer path of the loop shape. Consequently, the test processing unit circulates a predetermined number of data on the transfer path of the loop shape, and inspects the data circulated.

REFERENCES:
patent: 6937594 (2005-08-01), Smith et al.
patent: 2004/0030977 (2004-02-01), Jiang et al.
patent: 2004/0081101 (2004-04-01), Bennett
patent: 2004/0208129 (2004-10-01), Old et al.
patent: 2005/0135363 (2005-06-01), Horinouchi et al.
patent: 2000-151701 (2000-05-01), None

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